Solve the problem.The cost for labor associated with fixing a washing machine is computed as follows: There is a fixed charge of $20 for the repairman to come to the house, to which a charge of $22 per hour is added. Find an equation that can be used to determine the labor cost, C(x), of a repair that takes x hours.
A. C(x) = 20 - 22x
B. C(x) = 20 + 22x
C. C(x) = 22 + 20x
D. C(x) = ( 20 + 22) x
Answer: B
Mathematics
You might also like to view...
Determine whether the statement is true or false.Every natural number can be expressed as a sum of Fibonacci numbers, where no number is used more than once.
A. True B. False
Mathematics
Convert the numeral to Hindu-Arabic form.MCMLXII
A. 2162 B. 2142 C. 1962 D. 1942
Mathematics
Solve the problem.A coil of wire rotating in a magnetic field induces a voltage given by 
where t is time in seconds. Find the smallest positive time to produce a voltage of 10
.
A. 3.33 sec B. 3? sec C. 3 sec D. 3.33? sec
Mathematics
Combine.(3x3 - 14x2 - 9) - (9x3 - 19x + 18)
A. -6x3 - 14x2 + 19x - 27 B. -6x3 - 14x2 - 19x - 27 C. -6x3 - 14x2 + 19x + 9 D. -6x3 + 5x2 - 27
Mathematics